Marco Polo sheep

Marco Polo sheep (Ovis ammon polii) is a wild sheep, and a subspecies of the Argali.

It takes its name from famed explorer Marco Polo who described the species during his crossing of Pamir (ancient Mount Imeon) in 1271. The Marco Polo sheep is particularly known for its long horns. The longest horn ever found on a sheep was found on a Marco Polo sheep and measured 191 centimeters (75 inches). The sheep is unofficially the National animal of Afghanistan.